1、AMSC N/A FSC 4730 INCH-POUND MIL-DTL-52618/3E 26 January 2012 SUPERSEDING MIL-DTL-52618/3D 25 November 2002 DETAIL SPECIFICATION SHEET FITTINGS, PIPE, ALUMINUM-ALLOY THREADED, 150-POUND, 90-DEGREE ELBOWS (REDUCING SIZES) This specification is approved for use by all Departments and Agencies of the D
2、epartment of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-52618. FIGURE 1. 90 reducing elbow. REQUIREMENTS: The fittings shall be as specified on figure 1. The design, dimensions, and tolerances of 90 reducing elbows shall
3、 be in accordance with ASME B16.3. Intended use is with water, oil, or air 150 psi (1.03 MPa) max at 72F (22C). Aluminum shall be in accordance with MIL-DTL-52618. Size code designators shall be in accordance with table I. Provided by IHSNot for ResaleNo reproduction or networking permitted without
4、license from IHS-,-,-MIL-DTL-52618/3E 2 TABLE I. Size code designators for 90 reducing elbows. Size code numbers Nominal pipe size (inch) X (inch) Size code numbers Nominal pipe size (inch) X (inch) Port 1 Port 2 Port 1 Port 2 103 1/2 X 3/8 121 2-1/2 X 1-1/4 104 3/4 X 1/2 122 2-1/2 X 1 105 1 X 3/4 1
5、23 3 X 2-1/2 106 1 X 1/2 124 3 X 2 107 1-1/4 X 1 125 3 X 1-1/2 108 1-1/4 X 3/4 126 3 X 1-1/4 109 1-1/4 X 1/2 127 3-1/2 X 3 110 1-1/2 X 1-1/4 128 4 X 3-1/2 111 1-1/2 X 1 129 4 X 3 112 1-1/2 X 3/4 130 4 X 2-1/2 113 1-1/2 X 1/2 131 4 X 2 114 2 X 1-1/2 132 5 X 4 115 2 X 1-1/4 133 5 X 3 116 2 X 1 134 5 X
6、 2-1/2 117 2 X 3/4 135 6 X 5 118 2 X 1/2 136 6 X 4 119 2-1/2 X 2 137 6 X 3 120 2-1/2 X 1-1/2 138 8 X 6 Pipe threads shall be in accordance with MIL-DTL-52618. Pipe thread direction code shall be in accordance with table II. TABLE II. Thread direction code letter. Thread direction code letter Thread
7、direction X Right-hand Y Left-hand Z Right- and left-hand Finish shall be in accordance with MIL-DTL-52618. Finish code letter shall be in accordance with table III. TABLE III. Finish code letter. Finish code letter Finish A As cast B As extruded C Anodized Provided by IHSNot for ResaleNo reproducti
8、on or networking permitted without license from IHS-,-,-MIL-DTL-52618/3E 3 Part or Identifying Number (PIN). The PIN consists of the letter M, specification sheet number, a dash, configuration code letter, size code numbers, thread direction code letter and finish code letter. PINs are assigned as f
9、ollows: M 52618/3 - 104 X A PIN example: M52618/3-104XA indicates a 90 reducing elbow 3/4 X 1/2 inch, right hand threads, and finish is “as cast”. Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of
10、 the changes. Referenced documents. In addition to MIL-DTL-52618, this document references ASME B16.3 CONCLUDING MATERIAL Custodians: Army - AT Preparing activity: Navy - AS DLA - CC DLA - CC Review activities: (Project 4730-2012-012) Army - CE Navy - MC, SA NOTE: The activities listed above were in
11、terested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Finish code letter (see table III) Thread direction code letter (see table II) Size code numbers (see table I) M Prefix Specification sheet number Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
